function eventSelectCity() {
	if (OS_MOBILEWEB) {
		alert(1);
		var win = Alloy.createController('select_city').getView();
		win.open();
	} else {
		alert(2);
		var option_dialog = Ti.UI.createOptionDialog({
			options : Alloy.CFG.city_name_list,
			cancel : Alloy.CFG.city_name_list.length - 1,
			destructive : 0,
			persistent : false
		});
		option_dialog.show();
		option_dialog.addEventListener("click", function(evt) {
			alert(evt.index);
			if (evt.index != (Alloy.CFG.city_name_list.length - 1)) {
				$.label_city_value.setText(Alloy.CFG.city_name_list[evt.index]);
			} else {
				alert("click cancel");
			}
		});
	}
}
